From c101ff585d5b156a1f3461015a9acd73f15a45f6 Mon Sep 17 00:00:00 2001

From: Amit Shah <amit.shah@redhat.com>

Date: Wed, 20 Jan 2010 00:36:55 +0530

Subject: [PATCH 5/9] virtio-serial-bus: Add ability to hot-unplug ports

Signed-off-by: Amit Shah <amit.shah@redhat.com>

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

---

 hw/virtio-serial-bus.c |    2 ++

 hw/virtio-serial.h     |    1 +

 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c

index 6d69c56..037864f 100644

--- a/hw/virtio-serial-bus.c

+++ b/hw/virtio-serial-bus.c

@@ -517,6 +517,8 @@ static int virtser_port_qdev_exit(DeviceState *qdev)

     VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);

     VirtIOSerial *vser = port->vser;

+    send_control_event(port, VIRTIO_CONSOLE_PORT_REMOVE, 1);

+

     /*

      * Don't decrement nr_ports here; thus we keep a linearly

      * increasing port id. Not utilising an id again saves us a couple

diff --git a/hw/virtio-serial.h b/hw/virtio-serial.h

index 28ea7da..f297b00 100644

--- a/hw/virtio-serial.h

+++ b/hw/virtio-serial.h

@@ -51,6 +51,7 @@ struct virtio_console_control {

 #define VIRTIO_CONSOLE_RESIZE		2

 #define VIRTIO_CONSOLE_PORT_OPEN	3

 #define VIRTIO_CONSOLE_PORT_NAME	4

+#define VIRTIO_CONSOLE_PORT_REMOVE	5

 /* == In-qemu interface == */

-- 

1.6.2.5